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Finding the Fourth Proportional to 545,551.84, 752,884.88 and 303,834.38

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Solution

The fourth proportional to 545,551.84, 752,884.88 and 303,834.38 is: 419,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,551.84 : 752,884.88 = 303,834.38 : x
  2. Step 2: Convert to fraction form
    545,551.84/752,884.88 = 303,834.38/x
  3. Step 3: Cross multiply
    545,551.84x = 752,884.88 × 303,834.38
  4. Step 4: Simplify right side
    545,551.84x = 228,752,305,442.58
  5. Step 5: Solve for x
    x = 228,752,305,442.58/545,551.84
  6. Step 6: Final answer
    x = 419,304.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.